Sifat Siff

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You can take any particle in the Universe and isolate it from everything else, yet there are some properties that can never be taken away. These are intrinsic, physical properties of the particle itself — properties like mass, charge, or angular momentum — and will always be the same for any single …

Marcus du Sautoy, mathematician and author of The Great Unknown, explained why we don't really know what happened before the Big Bang.<p>He told Business Insider: "We're really not too sure and in fact, that may be a question that doesn't even make sense because time, we think, started at the Big …

Online learning has come a long way in the last few years. There are interactive courses, tons of online tutorials, and one of my personal favorite ways to practice coding: games.<p>While a game alone probably isn't going to teach you everything you need to know about coding, it can be a really …

<b>Imagine you're alone in a tiny spacecraft - it's your first time up there, all alone in endless space. Then suddenly - a knocking sound.</b><p>That's what happened to Yang Liwei, China's first man in space, on his maiden flight in 2003.<p>In a recent interview, he has now recalled hearing "someone knocking …

From string theory to the Big Bang – an explosive study from an eminent refusenik<p>Something is rotten in the state of physics. In spite of all the smug talk about the amazingly accurate predictions made by modern models of the most fundamental forces, things go terribly awry if these theories are …

Ever since Newton first put forth his theory of universal gravitation, it’s been accepted that the same forces governing gravitation here on Earth also govern motion and formation of the planets, stars, galaxies and even larger-scale structures in the Universe. As our scientific understanding …

It's an event worth remembering since there won't be another supermoon like it for the next 18 years. So, get your cameras ready and follow the advice of NASA's lead photographer Bill Ingalls:<p>"Don't make the mistake of photographing the moon by itself with no reference to anything. Instead, think …

The moon is going to be bigger and brighter than usual on Monday.<p>Tonight, the full moon will appear larger than it has since the 1940s. The moon will appear around 14 percent bigger and 30 percent brighter compared with the smallest full moons. It will be worth taking a step outside to see this …